as in archaic
having passed its time of use or usefulness
Noachian farm equipment that probably belongs in a museum somewhere
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Recent Examples of Noachian
The climate of ancient Mars struck a balance that allowed water to exist; in particular, the late Noachian period (about 4.1 billion years to 3.5 billion years ago) is thought to have been a time when Mars was potentially habitable, even having rainfall that caused erosion.
—
Jack Knudson, Discover Magazine, 29 Jan. 2025
Jack Knudson, Discover Magazine, 29 Jan. 2025
Recent Examples of Synonyms for Noachian
Adjective
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Trump’s 60-day suspension gives Congress the cover to repeal the archaic shipping law.—
Editorial Board,
Washington Post,
18 Mar. 2026
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With news breaking that Meghan was pregnant with their son Archie, she and Harry were widely viewed as the fresh new faces of an archaic institution.—
Martha Ross,
Mercury News,
11 Mar. 2026
Adjective
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So Apple got to work making its biggest success obsolete.—
Lisa Eadicicco,
CNN Money,
1 Apr. 2026
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His lab continues to investigate diffuse gastric cancer, with the hope of developing a treatment or drug that makes a total gastrectomy obsolete.—
Sarah Zhang,
The Atlantic,
31 Mar. 2026
Adjective
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He was born in Oxford and raised in a village outside Salisbury, a medieval city not far from Stonehenge.—
John Blake,
CNN Money,
5 Apr. 2026
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Whitacre wrote the choral work, originally commissioned by the Los Angeles Master Chorale and recorded in 2020, using a text by his friend, poet and medieval history professor Charles Anthony Silvestri, on the faculty at Washburn University.—
Eric E. Harrison,
Arkansas Online,
4 Apr. 2026
Adjective
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Each advancement made the baseline antiquated.—
Alex Israel,
Fortune,
4 Apr. 2026
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These antiquated institutions barely provide heat in the winter and cannot cool down in the summer.—
Steve Zeidman,
New York Daily News,
2 Apr. 2026
Adjective
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Her burial site wasn’t far from where other prehistoric remains have been discovered over the years, on what was once a bluff overlooking the river.—
Matthew Adams,
Fort Worth Star-Telegram,
26 Mar. 2026
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Casa Grande's Great House Casa Grande, or the Great House, is one of the largest prehistoric structures built in North America.—
Paige Moore,
AZCentral.com,
23 Mar. 2026
Cite this Entry
“Noachian.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/Noachian. Accessed 7 Apr. 2026.
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